Dave Solberg

RVRC LIVE! July 2019

Dave Solberg
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Duration:   1:02:05   mins

Did you miss this month’s RVRC LIVE? Dave Solberg, managing editor of RV Repair Club, answers questions submitted by viewers in this LIVE Q&A.

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14 Responses to “RVRC LIVE! July 2019”

  2. Gary

    Is it okay to not use a diode in a hot water tank if I annually clean it out?

    Reply
  3. Mark cobberti

    If my travel trailer doesn’t have air conditioning, what’s the best way to keep cool?

    Reply
  4. Warren Longhurst

    Please define roof conditioning. Is it cleaning + rolling on the plastic paint?

    Reply
  5. Edward Galt

    When I run my cold water in sink or toilet, sometimes hot water comes through. Should I install a check valve at the water heater to help stop this?

    Reply
    • Customer Service

      Dear Edward,

      Thank you for your patience. In response to your question-

      I would check the thermostat. It is possible that the thermostat is not sending voltage to the compressor and is only running the fan. You can check the incoming voltage from the thermostat at the AC control board as well. There is a way to bypass the thermostat and it is by connecting the 12v positive wire, green fan wire and yellow compressor wire on the back of the thermostat together. This should turn on the cooling of the AC and if it still does not cool then there is a problem with a capacitor or the compressor on the AC. You would have to check all of the components on the top of the AC to see which is causing the issue. If by connecting these wires together now runs the AC fine, you know the thermostat is bad and will need replaced. When the compressor kicks on you can usually hear a difference in the sound, it there is no difference it might not be kicking on. If the compressor is kicking on but there is no cooling then the AC unit is bad and will need replaced. The control board on the AC also has some relays that could be failing as well. There are a few things that could be wrong but I would start with the thermostat. If you check the AC control board you can test the incoming voltage from the thermostat and the output to the compressor all at the same location. There is usually a wiring diagram labeled in that area as well.

      Sincerely,
      Dan
      RV Repair Club Technical Expert

      Reply
  6. Edward M Varga

    Have a 2012 Kropf Park Model home which the air-conditioner does not seem to cool or dehumidify. Any suggestions as to what to check to verify further servicing is needed?

    Reply
  7. David LORD

    I have a gray tank that the indicator shows full all the time. I have tried several chemical ideas with no good results. Any suggestions??

    Reply
    • Customer Service

      Dear David,

      Thank you for your patience. In response to your question-

      I would disconnect the wires to the probes on the tank. If it is still reading full, then the problem is with the wire harness or the connections on the panel. If it reads empty after removing the wires, you can then try replacing the probes and see if that helps or installing new ones in another location. If you don’t want to do this there are some other tricks that can help like putting ice into the tank. This is a lot harder to do on the gray tank since there is no large opening but if you remove the roof vent cover to the tank you can then poor the ice down the vent and then drive the unit around to help break off loose debris. We do have a video with some tips as well, I will post the link below.
      https://www.rvrepairclub.com/video/rv-waste-tanks-how-to-avoid-inaccurate-monitor-readings-008173/

      Sincerely,
      Dan
      RV Repair Club Technical Expert

      Reply
    • Customer Service

      Dear Cecil,

      Thank you for your patience. In response to your question-

      Having a musty smell can be caused my humidity lingering around with no ventilation or by water damage yet unseen. I would first full inspect everywhere for any signs of water damage or openings in the exterior sealant. To help get rid of the smell I recommend using DampRid. It is a moisture absorber and works really well for getting rid of that smell. They make many different sizes for all spaces. I will post a link to their website that offers more information on their product. I hope it helps!
      https://damprid.com/

      Sincerely,
      Dan
      RV Repair Club Technical Expert

      Reply
  10. Bob

    Hi from Chicago! Question: When cooking pasta, what do you do with the pot of boiling water? At home I pour it down the drain while running lots of water, but I don’t want to damage piping in my RV, nor use too much water.

    Reply

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